A baseball thrown from the outfield is released from shoulder height at an initial velocity of 28.1 m/s at an initial angle of 30.0° with respect to the horizontal. If it is in its trajectory for a total of 3.00 s before being caught by the third baseman at an equal shoulder-height level, what is the ball's net vertical displacement during its 3-s trajectory?Select one:a.10.1 mb.20.1 mc.zerod.9.80 me.73 m
Question
A baseball thrown from the outfield is released from shoulder height at an initial velocity of 28.1 m/s at an initial angle of 30.0° with respect to the horizontal. If it is in its trajectory for a total of 3.00 s before being caught by the third baseman at an equal shoulder-height level, what is the ball's net vertical displacement during its 3-s trajectory?Select one:a.10.1 mb.20.1 mc.zerod.9.80 me.73 m
Solution
The net vertical displacement of the ball is zero. This is because the ball is thrown and caught at the same height (shoulder height). Regardless of the path the ball takes, if it starts and ends at the same vertical position, the net vertical displacement is zero. So, the correct answer is c. zero.
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